| Melting point | -75--66 °C (lit.) |
| Boiling point | 198-199 °C (lit.) |
| density | 0.967 g/mL at 25 °C (lit.) |
| vapor density | 5.45 (vs air) |
| vapor pressure | 10 mm Hg ( 79.5 °C) |
| refractive index | n |
| Fp | 190 °F |
| storage temp. | Store below +30°C. |
| solubility | alcohol: soluble (with decomposition)(lit.) |
| form | Liquid |
| color | Clear colorless to light yellow |
| explosive limit | 1.1%, 104°F |
| Water Solubility | Decomposes |
| Sensitive | Moisture Sensitive |
| Merck | 14,1594 |
| BRN | 1099474 |
| InChIKey | YHASWHZGWUONAO-UHFFFAOYSA-N |
| CAS DataBase Reference | 106-31-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Butanoic acid, anhydride(106-31-0) |
| EPA Substance Registry System | Butyric anhydride (106-31-0) |
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